341  
CDUS46 KSGX 190017  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
517 PM PDT WED OCT 18 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 18 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 101R 2:01 PM 99 2003 82 19 95  
MINIMUM 60 4:39 AM 44 1998 57 3 60  
AVERAGE 81 69 12 78  
 
PRECIPITATION (IN)  
TODAY 0.00 0.57 2005 0.02 -0.02 0.00  
MONTH TO DATE T 0.20 -0.20 0.30  
SINCE JUL 1 2.16 0.38 1.78 0.60  
SINCE OCT 1 T 0.20 -0.20 0.30  
SINCE JAN 1 20.60 8.74 11.86 2.00  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 3 5 -2 1  
SINCE SEP 1 4 6 -2 1  
SINCE JUL 1 4 6 -2 1  
 
COOLING  
TODAY 16 5 11 13  
MONTH TO DATE 167 123 44 140  
SINCE SEP 1 430 501 -71 638  
SINCE JAN 1 1618 1874 -256 2260    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 3.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 2:00 AM  
LOWEST 14 1:00 PM  
AVERAGE 51  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 98 2003  
MINIMUM TEMPERATURE (F) 56 50 2021  
 
SUNRISE AND SUNSET  
OCTOBER 18 2023.......SUNRISE 6:58 AM PDT SUNSET 6:13 PM PDT  
OCTOBER 19 2023.......SUNRISE 6:59 AM PDT SUNSET 6:12 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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